1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
const expect = @import("std").testing.expect;
const builtin = @import("builtin");
test "@hasField" {
const struc = struct {
a: i32,
b: []u8,
pub const nope = 1;
};
try expect(@hasField(struc, "a") == true);
try expect(@hasField(struc, "b") == true);
try expect(@hasField(struc, "non-existant") == false);
try expect(@hasField(struc, "nope") == false);
const unin = union {
a: u64,
b: []u16,
pub const nope = 1;
};
try expect(@hasField(unin, "a") == true);
try expect(@hasField(unin, "b") == true);
try expect(@hasField(unin, "non-existant") == false);
try expect(@hasField(unin, "nope") == false);
const enm = enum {
a,
b,
pub const nope = 1;
};
try expect(@hasField(enm, "a") == true);
try expect(@hasField(enm, "b") == true);
try expect(@hasField(enm, "non-existant") == false);
try expect(@hasField(enm, "nope") == false);
const anon = @TypeOf(.{ .a = 1 });
try expect(@hasField(anon, "a") == true);
try expect(@hasField(anon, "b") == false);
const tuple = @TypeOf(.{ 1, 2 });
try expect(@hasField(tuple, "a") == false);
try expect(@hasField(tuple, "b") == false);
try expect(@hasField(tuple, "0") == true);
try expect(@hasField(tuple, "1") == true);
try expect(@hasField(tuple, "2") == false);
try expect(@hasField(tuple, "9999999999999999999999999") == false);
}
|
